mm/khugepaged: use DEFINE_READ_MOSTLY_HASHTABLE macro

These are equivalent, but DEFINE_READ_MOSTLY_HASHTABLE exists to define
a hashtable in the .data..read_mostly section.

Link: https://lkml.kernel.org/r/20230609-khugepage-v1-1-dad4e8382298@google.com
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Nick Desaulniers 2023-06-09 16:44:45 -07:00 committed by Andrew Morton
parent 3a6358c0db
commit e1ad3e6667

View file

@ -88,7 +88,7 @@ static unsigned int khugepaged_max_ptes_swap __read_mostly;
static unsigned int khugepaged_max_ptes_shared __read_mostly;
#define MM_SLOTS_HASH_BITS 10
static __read_mostly DEFINE_HASHTABLE(mm_slots_hash, MM_SLOTS_HASH_BITS);
static DEFINE_READ_MOSTLY_HASHTABLE(mm_slots_hash, MM_SLOTS_HASH_BITS);
static struct kmem_cache *mm_slot_cache __read_mostly;